# file: configuration files (array)
# netdev: bound network device (detects ifindex changes)
# limits: resource limits (passed to the process)
-# user info: array with 1 values $username
+# user: $username to run service as
+# group: $groupname to run service as
# pidfile: file name to write pid into
+# stdout: boolean whether to redirect commands stdout to syslog (default: 0)
+# stderr: boolean whether to redirect commands stderr to syslog (default: 0)
+# facility: syslog facility used when logging to syslog (default: daemon)
#
# No space separation is done for arrays/tables - use one function argument per command line argument
#
# procd_close_instance():
# Complete the instance being prepared
#
+# procd_running(service, [instance]):
+# Checks if service/instance is currently running
+#
# procd_kill(service, [instance]):
# Kill a service instance (or all instances)
#
+# procd_send_signal(service, [instance], [signal])
+# Send a signal to a service instance (or all instances)
+#
-. $IPKG_INSTROOT/usr/share/libubox/jshn.sh
+. "$IPKG_INSTROOT/usr/share/libubox/jshn.sh"
PROCD_RELOAD_DELAY=1000
_PROCD_SERVICE=
+procd_lock() {
+ local basescript=$(readlink "$initscript")
+ local service_name="$(basename ${basescript:-$initscript})"
+
+ flock -n 1000 &> /dev/null
+ if [ "$?" != "0" ]; then
+ exec 1000>"$IPKG_INSTROOT/var/lock/procd_${service_name}.lock"
+ flock 1000
+ if [ "$?" != "0" ]; then
+ logger "warning: procd flock for $service_name failed"
+ fi
+ fi
+}
+
_procd_call() {
local old_cb
}
_procd_wrapper() {
+ procd_lock
while [ -n "$1" ]; do
eval "$1() { _procd_call _$1 \"\$@\"; }"
shift
_procd_open_trigger
service_triggers
_procd_close_trigger
+ _procd_open_data
+ service_data
+ _procd_close_data
_procd_ubus_call ${1:-set}
}
json_close_array
}
+_procd_open_data() {
+ let '_procd_data_open = _procd_data_open + 1'
+ [ "$_procd_data_open" -gt 1 ] && return
+ json_add_object "data"
+}
+
+_procd_close_data() {
+ let '_procd_data_open = _procd_data_open - 1'
+ [ "$_procd_data_open" -lt 1 ] || return
+ json_close_object
+}
+
_procd_open_validate() {
json_select ..
json_add_array "validate"
json_add_string "" "$@"
json_close_array
;;
- nice|reload_signal)
+ nice|term_timeout)
json_add_int "$type" "$1"
;;
- pidfile|user|seccomp|capabilities)
+ reload_signal)
+ json_add_int "$type" $(kill -l "$1")
+ ;;
+ pidfile|user|group|seccomp|capabilities|facility)
json_add_string "$type" "$1"
;;
stdout|stderr|no_new_privs)
json_close_array
json_close_array
- json_close_array
-
_procd_add_timeout
+ json_close_array
}
_procd_add_reload_interface_trigger() {
json_close_array
json_close_array
-
- json_close_array
-
_procd_add_timeout
+ json_close_array
}
_procd_add_raw_trigger() {
if json_select respawn ; then
json_get_values respawn_vals
if [ -z "$respawn_vals" ]; then
+ local respawn_threshold=$(uci_get system.@service[0].respawn_threshold)
+ local respawn_timeout=$(uci_get system.@service[0].respawn_timeout)
local respawn_retry=$(uci_get system.@service[0].respawn_retry)
- _procd_add_array_data 3600 5 ${respawn_retry:-5}
+ _procd_add_array_data ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
fi
json_select ..
fi
_procd_close_instance
}
+procd_running() {
+ local service="$1"
+ local instance="${2:-instance1}"
+ local running
+
+ json_init
+ json_add_string name "$service"
+ running=$(_procd_ubus_call list | jsonfilter -e "@.$service.instances.${instance}.running")
+
+ [ "$running" = "true" ]
+}
+
_procd_kill() {
local service="$1"
local instance="$2"
_procd_ubus_call delete
}
+_procd_send_signal() {
+ local service="$1"
+ local instance="$2"
+ local signal="$3"
+
+ case "$signal" in
+ [A-Z]*) signal="$(kill -l "$signal" 2>/dev/null)" || return 1;;
+ esac
+
+ json_init
+ json_add_string name "$service"
+ [ -n "$instance" -a "$instance" != "*" ] && json_add_string instance "$instance"
+ [ -n "$signal" ] && json_add_int signal "$signal"
+ _procd_ubus_call signal
+}
+
+_procd_status() {
+ local service="$1"
+ local instance="$2"
+ local data
+
+ json_init
+ [ -n "$service" ] && json_add_string name "$service"
+
+ data=$(_procd_ubus_call list | jsonfilter -e '@["'"$service"'"]')
+ [ -z "$data" ] && { echo "inactive"; return 3; }
+
+ data=$(echo "$data" | jsonfilter -e '$.instances')
+ if [ -z "$data" ]; then
+ [ -z "$instance" ] && { echo "active with no instances"; return 0; }
+ data="[]"
+ fi
+
+ [ -n "$instance" ] && instance="\"$instance\"" || instance='*'
+ if [ -z "$(echo "$data" | jsonfilter -e '$['"$instance"']')" ]; then
+ echo "unknown instance $instance"; return 4
+ else
+ echo "running"; return 0
+ fi
+}
+
procd_open_data() {
local name="$1"
json_set_namespace procd __procd_old_cb
json_add_int port "$port"
[ -n "$1" ] && {
json_add_array txt
- for txt in $@; do json_add_string "" $txt; done
+ for txt in "$@"; do json_add_string "" "$txt"; done
json_select ..
}
json_select ..
procd_add_mdns() {
procd_open_data
json_add_object "mdns"
- procd_add_mdns_service $@
+ procd_add_mdns_service "$@"
json_close_object
procd_close_data
}
return $_error
}
+uci_load_validate() {
+ local _package="$1"
+ local _type="$2"
+ local _name="$3"
+ local _function="$4"
+ local _option
+ local _result
+ shift; shift; shift; shift
+ for _option in "$@"; do
+ eval "local ${_option%%:*}"
+ done
+ uci_validate_section "$_package" "$_type" "$_name" "$@"
+ _result=$?
+ [ -n "$_function" ] || return $_result
+ eval "$_function \"\$_name\" \"\$_result\""
+}
+
_procd_wrapper \
procd_open_service \
procd_close_service \
procd_append_param \
procd_add_validation \
procd_set_config_changed \
- procd_kill
+ procd_kill \
+ procd_send_signal